To all
I switched to a bow for more accuracy. I found a kids bow at a garage sale for
$5 and used the game
tracker. ,I have changed to the pvc air pressure gun using weighted tennis
balls, it is slick. It
will just about go out of site with a 100psi. Height is regulated by air
pressure. I picked up a
portable air tank if I travel.
Larry K1ZW
Durham, NC
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Jim
Jarvis
Sent: Tuesday, September 05, 2006 6:40 AM
To: towertalk@contesting.com; crawfish@surfmore.net
Subject: Re: [TowerTalk] putting line in trees
w2wg, speaking about EZhang slingshot launches:
At 90' and above you are in the territory where you can't get the altitude with
a heavier weight and
the weight may not want to pull the line back down if it is lighter.
-0-
I've found the same...EZHang was good to 60 or 70', max, and might have been
tuned with the right
weight to squeeze out a bit more.
I've since used a 35lb fiberglass recurve bow, with a 'gametracker'
attached. The 15lb test gametracker string is strong enough to pull up my
1/8", 770 lb tensile
strength, olive drab dacron line, at least to 85-90'. For very high runs, or
dense branches, I pull
monofilament..45 or 50 lb test, as an intermediary.
I've also experimented with arrows. Normal metal shaft arrows aren't heavy
enough to carry to
ground reliably from tall trees, without heavy tip weight. I've relied on a
fiberglass fishing
arrow, and even added weight to the head of that...dulling it at the same time.
Putting an arrow over one or more 140' high white pines, at the VT qth, was no
problem. My 160M
dipole had to tie to two trees, and go over a third, so it was somewhat more
complex to install.
Remember, a bow and arrow is a weapon. Downrange personnel and pets
need to be cleared before you shoot.
n2ea
jimjarvis@ieee.org
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